1212320363 has 8 divisors (see below), whose sum is σ = 1267259136. Its totient is φ = 1157567400.

The previous prime is 1212320341. The next prime is 1212320381. The reversal of 1212320363 is 3630232121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212320363 - 2¹⁴ = 1212303979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212320663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33023 + ... + 59288.

It is an arithmetic number, because the mean of its divisors is an integer number (158407392).

Almost surely, 2^1212320363 is an apocalyptic number.

1212320363 is a deficient number, since it is larger than the sum of its proper divisors (54938773).

1212320363 is an equidigital number, since it uses as much as digits as its factorization.

1212320363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92905.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1212320363 is about 34818.3911604198. The cubic root of 1212320363 is about 1066.2829544424.

Adding to 1212320363 its reverse (3630232121), we get a palindrome (4842552484).

The spelling of 1212320363 in words is "one billion, two hundred twelve million, three hundred twenty thousand, three hundred sixty-three".